Innovation in venture capital backed clean-technology firms in the UK

Driven by political pressures to cut down carbon dioxide (CO2) emissions and to find cheaper and renewable alternatives to fuel based technologies, the clean technology sector has risen as an important target for venture capital investments in recent years. Although the clean-tech sector is operating on the frontier of the cutting edge renewable and environmentally friendly technologies, the majority of venture capital backed UK clean-tech firms do not patent or patent very little. Investors appear to experiment with their investment models and avoid taking big risks associated with funding the most radical and risky clean-tech innovations